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testing book
[S2] a revised version of Jane’s GeoGebra file (modified by the author)
testing book
Autor:
Chan Yip-Cheung
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[S2] a revised version of Jane’s GeoGebra file (modified by the author)
Siguiente
[S2] a revised version of Jane’s GeoGebra file (modified by the author)
Nuevos recursos
異分母分數減法
畫出對稱圖形
找出對稱軸
第八周作业
兩位數除以一位數（二）
Descubrir recursos
翰林B4講p192-例1
畢氏樹
用極座標做時鐘的副本
二倍角的正切公式的证明
黄金螺线与向日葵-朱老师
Descubre temas
Rectángulo
Operaciones Aritméticas
Lógica
Simetrías
Secciones Cónicas
